Readable HTML Is Debuggable HTML: Why Formatting Matters

Minified HTML is great for production. Minified HTML is terrible for debugging. When you right-click "View Source" on a page and see 500 KB of HTML on a single line, finding the div that is causing your layout issue is effectively impossible without reformatting. HTML formatting -- consistent indentation, proper nesting, and readable structure -- is not about aesthetics. It is about making the document structure visible so you can reason about it. What proper HTML formatting looks like Unformatted: <div class= "container" ><div class= "row" ><div class= "col-6" ><h2> Title </h2><p> Content goes here with <a href= "/link" > a link </a> in it. </p></div><div class= "col-6" ><img src= "image.jpg" alt= "Description" ></div></div></div> Formatted: <div class= "container" > <div class= "row" > <div class= "col-6" > <h2> Title </h2> <p> Content goes here with <a href= "/link" > a link </a> in it. </p> </div> <div class= "col-6" > <img src= "image.jpg" alt= "Description" > </div> </div> </div>